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American Museum of Natural History.
Adult It's All In Your Head T-Shirt
Adult It's All In Your Head Tee. Made of 50% cotton and 50% polyester.
When a young student asked scientist Rob DeSalle if a brain is really squishy and why is it so wrinkly his answer was, 'Yes, it's squishy because it's made mostly of water. If you held the brain in your hands it would feel a lot like Jello and the reason it is so wrinkly is because it is comprised of 2 1/2 square feet of tissue. If you tried to cram a towel that size into your skull cavity it would be very wrinkly'.